Preoperative hydronephrosis predicts extravesical and node positive disease in patients undergoing cystectomy for bladder cancer.
Stimson CJ, Cookson MS, Barocas DA, Clark PE, Humphrey JE, Patel SG, Smith JA, Chang SS. Preoperative hydronephrosis predicts extravesical and node positive disease in patients undergoing cystectomy for bladder cancer. J Urol. 2010 May; 183(5):1732-7.